/**
 * 包含多个基于state的getter计算属性
 * */

export default {
  totalCount (state) {
    return state.cartFoods.reduce((preTotal, food) => preTotal + food.count, 0);
  },
  totalPrice (state) {
    return state.cartFoods.reduce((preTotal, food) => preTotal + food.count * food.price, 0);
  },
  positiveSize (state) {
    return state.ratings.reduce((preTotal, rating) => preTotal + (rating.rateType === 0 ? 1 : 0), 0);
  },
}
